The 6.8mm Remington Special Purpose Cartridge is a rimless bottlenecked intermediate rifle cartridge that was developed by Remington Arms in collaboration with members of the U.S. Army Marksmanship Un
6.8 SPC (left), 5.56×45mm NATO (right)
10.4mm Swiss Vetterli Winchester
The LWRC M6 is a series of carbines designed and manufactured by LWRC International. The 'M' model name is not a US military designation.
6.8mm Remington SPC
…which allows for a proprietary 6.8 Magpul P-mags and an overall cartridge length of 5.9 cm (2.32 in). The personal defense weapon (PDW) known as the "Six8" is an SPC II with 1:250 mm (10 in) twist and is able to use all current 6.8 SPC factory ammunition…
LWRC M6A2 in a short barrel configuration with a cerakote "flat dark earth" finish, suppressor and holographic sight.
Paul Howe signature edition LWRCI CSAT M6 A1 EVO 1.0